pocket ph meter online manufacture

Yieryi Protable LCD Digital PH Meter Pen electrical PH Tester Aquarium Pool Water Wine Urine Features: 100% brand new and high quality Calibration Method: 2 points automatic calibration Probe Type: Precision ... Read More

Yieryi Digital PH Meters Tester With 2 Point Auto Calibration PH Tester Aquarium Pool Water Features : 100% brand new and high quality Display: LCD Digital Operating Temperature: 0~80C Specifications: Weight... Read More

Yieryi Digital PH Meters Tester With 2 Point Auto Calibration PH Tester Aquarium Pool Water Specifications Weight 52g size 29*153*16mm Accuracy 0.01 Resolution 0.01 Probe Measuring Range 0.00~14.00 Type ... Read More

Yieryi digital LCD PH Meter Automatic Correction Waterproof Acidity meter Analysis feature: For measuring the solution PH value and temperature. Waterproof grade IP65, can replace the sensor probe. Automatic ... Read More

YIERYI Digital PH Meter ORP Meter 0.0--14.0pH 500mV protable PH tester ORP tester Potential meter ATC CT-6821 Specifications: Measuring range 0.0 ~ 14.0pH; 500mV Accuracy 0.1pH; 5mV Resolution 0.1pH; 1mV ... Read More

1 box 20 set pH test strips 80 Strips Full PH Meter PH paper 1-14st Indicator Litmus Paper Features: 100% Brand new and high quality There is a strong correlation between the pH of the body's internal ... Read More

YIERYI PH Meter Digital 0 to 14.00 pH Waterproof Ph Tester Aquarium Laboratory Water Checker Backlight Pen CT-6021A Tool Features: 1. The electrode can be replaced. 2. Low power consumption, high accuracy, wide ... Read More

YIERYI Portable Digital ORP Meter CT-8022 Pen Type Waterproof Handheld Redox Potential Meter Features: intelligent instrument High-performance CPU chip AD conversion technology and high percision SMT chip ... Read More

Yieryi Pocket LCD PH Meter PH Pen PH Acidity Meter 0.0-14.0pH for Pool Water Laboratory Features Measuring range 0.00-14 .00 PH Accuracy +/- 0.01PH Resolution 0.01PH Operating temperature 0 oC~ 50 oC Battery ... Read More

Yieryi PH Meter ditigal 0-14 Pocket Pen Waterproof Acidity tester Ph pen for pool Pocket digital display acidity meter,The introduction of advanced technology and the use of imported components, greatly ... Read More